law. >> joined by our pentagon correspondent, barbara starr. you've been digging into this for new information. you say as early as april, the united states sent special forces into benghazi for a specific reason. >> they did, indeed, carol. what we've learned is that a very small team of special forces commandos were sent to that benghazi compound. this was back in april. if you think back a u.n. -- united nations convoy in the region had been attacked. growing security concerns at that time back in april, about what was going on in that region in eastern libya. so, the u.s. sent a team of about four special forces, commandos to the benghazi compound. they did a security assessment. what could be done to improve security at the facility. and they recommended apparently, we are told, a couple of things that seem fairly minor in retrospect. sand bagging some positions so libyan forces who were there, contractors, essentially, could help fight back if the place came under attack and also wer